Generatrix
n. 母点, 母线, 母面
🗣️ 情景例句
Thanks.
谢谢。
How much do you charge for sending a cable transfer to London?
发一张到伦敦的电汇，要收费多少？
What will you do if you win a lot of money?
要是你赢了许多钱，你打算做什么呢？